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Hi all, Wanted to get a feel for how people go about organizing their practice exams. I see some people mention they'll look at a practice exam question during the exam. Are you guys scanning the tests in and organizing the questions by topic?

I'm looking for more information/references on batteries. I remember seeing someone post a comment that there were more battery problems (especially on solar related batteries) but i cannot find good references here. Does anyone have good references on batteries? or at least what areas to focus on?